#3C4E62
Closest named color: Dark Grey Blue (#29465B). oklch(41.7% 0.041 251.4), rgb(60, 78, 98).
Aa
White text reads best on this color (8.54:1).
About this color
#3C4E62 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.041 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 8.54:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #3C4E62 |
| RGB | rgb(60, 78, 98) |
| HSL | hsl(212, 24%, 31%) |
| OKLCH | oklch(41.7% 0.041 251.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3C4E62 | 8.54:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #3C4E62 | 2.45:1 | Fails | Lc 14.6 | Not readable |
| #3C4E62 text on white | 8.54:1 | AAA | Lc 89.4 | Fine for body text |
| #3C4E62 text on black | 2.45:1 | Fails | Lc -12.9 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D0
oklch(80.9% 0.024 252.2)
-
Step 400
400
#90A3B8
oklch(70.8% 0.038 251)
-
Step 500
500
#748CA6
oklch(63.1% 0.048 250.6)
-
Step 600
600
#5D7692
oklch(55.7% 0.053 251.6)
-
Step 700
700
#4C637C
oklch(49.1% 0.049 250.9)
-
Step 800
800 (this color)
#3C4E62
oklch(41.7% 0.041 251.4)
-
Step 900
900
#354352
oklch(37.7% 0.032 250.4)
-
Step 950
950
#1F2730
oklch(26.9% 0.02 251.6)
#3C4E62 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #464F63 | 0.015 |
| Deuteranopia (no green cones) | #424B62 | 0.012 |
| Tritanopia (no blue cones) | #305255 | 0.033 |
| Achromatopsia (no color) | #4C4C4C | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C4E62
#3C4E62
oklch(41.7% 0.041 251.4)
- #5A4934
#5A4934
oklch(41.7% 0.04 72.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3C4E62, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.039
- YInMn Blue #415A77 ΔE 0.046
- Charcoal #264653 ΔE 0.046
- Deep Teal #00555A ΔE 0.054
- Dusty Grape #545775 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.058
- Dusk #4E5481 ΔE 0.060
Use #3C4E62 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.